Adjustable double-slot internal spinal fixation apparatus and bone screw
US11684393B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2018 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Apr 10, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7049
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure provides an adjustable double-slot internal spinal fixation apparatus, including a first base, a second base and a connecting rod. The first base and the second base each contains a U-shaped slot from top to bottom. An inner wall of each U-shaped slot contains inner threads. The connecting rod is disposed along a horizontal direction. The second base contains a long slot along the horizontal direction. One end of the connecting rod is inserted in the first base, and the other end of the connecting rod is inserted in the long slot of the second base. The connecting rod can swing in the long slot. The first base and the second base are capable of relatively rotating on the connecting rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.